Now that 2012 is over and 2013 has begun, here is a summary of The Year of Mathematical Knitting and Crocheting.
Hyperbolic Space
- Parallel lines and Triangles
- A Pseudosphere and a Symmetric Hyperbolic Plane
- A Hyperbolic Coral Reef – just for fun
The Möbius Band
The Klein Bottle
- Constructed by knitting one Möbius Band and then “gluing” the edges
- The Zipped Version
- Constructed by crocheting two Möbius bands and then joining them.
- The Zipped Version
Fractals and the Sierpinski Triangle
Seifert Surfaces (of the Trefoil Knot)
The Projective Plane
